Last updated: July 2, 2025
Understanding the UV Index in San Miguel Nopalapa, Mexico is crucial for protecting your skin and maintaining overall health. With a Cwb climate that often exposes residents to high UV levels, particularly during midday when the index peaks at 15, knowing when to seek shade and apply sunscreen can make a significant difference in preventing sunburn and long-term skin damage. As the sun stands high in the sky, the risk of harmful UV radiation increases, making it essential for locals and visitors alike to stay informed about these levels to enjoy the beautiful outdoors safely and responsibly.
As the sun rises, the UV Index starts off modestly, peaking at 1 by 8:00 AM. However, as the day progresses, it experiences a dramatic surge. Expect a notable climb by 10:00 AM, hitting 5, and then reaching its zenith at 1:00 PM with an impressive 15. The intensity remains high throughout the afternoon, only slightly easing towards the evening. By 6:00 PM, the index drops to 3, and settles back to 1 by 7:00 PM. It's a reminder to stay sun-safe during peak hours, especially from 11:00 AM to 2:00 PM, when the UV radiation is strongest!
Time | UVI | Category | Time to Burn |
---|---|---|---|
07:00 | 1 | low | 45 min |
08:00 | 1 | low | 45 min |
09:00 | 2 | low | 45 min |
10:00 | 5 | moderate | 30 min |
11:00 | 9 | very high | 15 min |
12:00 | 13 | extreme | 10 min |
13:00 | 15 | extreme | 10 min |
14:00 | 15 | extreme | 10 min |
15:00 | 13 | extreme | 10 min |
16:00 | 10 | very high | 15 min |
17:00 | 6 | high | 25 min |
18:00 | 3 | moderate | 30 min |
19:00 | 1 | low | 45 min |
During the year, seasonal UV changes show significant fluctuations, with highest UV levels occurring from February to October. This period includes several high-risk months for sun exposure, particularly from March to October, where the UV Index reaches extreme levels (14-15), with a burn time of just 10 minutes. Conversely, January, November, and December experience very high UV Index ratings (9-10), with longer burn times of 15 minutes. Visitors and residents are strongly advised to take extra precautions during these high-risk months, including wearing protective clothing, applying broad-spectrum sunscreen with an SPF of 30 or higher, and seeking shade during peak hours to minimize the risk of UV-related harm.
UV Risk Categories
Jan | Feb | Mar | Apr | May | Jun | Jul | Aug | Sep | Oct | Nov | Dec | |
---|---|---|---|---|---|---|---|---|---|---|---|---|
Guadalajara UVI | 9 | 11 | 14 | 14 | 14 | 13 | 13 | 13 | 13 | 12 | 9 | 8 |
Iztapalapa UVI | 10 | 12 | 14 | 15 | 14 | 14 | 14 | 14 | 14 | 12 | 10 | 8 |
Ecatepec de Morelos UVI | 10 | 12 | 14 | 15 | 15 | 14 | 14 | 13 | 14 | 12 | 10 | 8 |
Mexico City UVI | 10 | 12 | 14 | 15 | 15 | 14 | 14 | 13 | 14 | 12 | 10 | 8 |
San Miguel Nopalapa | 9 | 12 | 14 | 15 | 15 | 15 | 15 | 14 | 14 | 13 | 10 | 8 |
Puebla UVI | 10 | 12 | 14 | 15 | 15 | 15 | 15 | 14 | 14 | 13 | 10 | 9 |